/* ==========================================================================
   ONDÉA - Official Coming Soon Style
   Theme: 上品で、優しい色気 (Sophisticated & Soft Sensual)
   Target: 骨格ウェーブ / 20代〜30代女性
   ========================================================================== */

/* フォントのインポート（美しいセリフ体と洗練されたサンセリフ） */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=Noto+Serif+JP:wght@200;300;400&family=Montserrat:wght@200;300;400&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* 骨格ウェーブの柔らかさを引き立てる、ニュアンスのあるニュートラル＆スキンカラーパレット */
    --bg-color: #f6f3ee;          /* ほんのり温かみのあるニュアンスオフホワイト */
    --text-primary: #3d3734;      /* 柔らかい炭黒 */
    --text-muted: #7c726c;        /* トープベージュ */
    --accent-color: #baa494;      /* くすみのゴールドベージュ */
    --accent-soft: #ebdcd0;       /* パウダリーなピンクベージュ */
    
    /* フォントファミリー */
    --font-en-serif: 'Cormorant Garamond', serif;
    --font-en-sans: 'Montserrat', sans-serif;
    --font-ja: 'Noto Serif JP', serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-ja);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.8;
    letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   動的背景演出（ニュアンスグロウ＆揺れる波のライン）
   -------------------------------------------------------------------------- */

/* 優しい光の滲み */
.background-glow {
    position: fixed;
    top: -20%;
    right: -10%;
    width: 70vw;
    height: 70vw;
    background: radial-gradient(circle, var(--accent-soft) 0%, rgba(246, 243, 238, 0) 70%);
    opacity: 0.6;
    z-index: 1;
    pointer-events: none;
    animation: pulseGlow 10s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    0% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    100% { transform: translate(-5%, 5%) scale(1.1); opacity: 0.7; }
}

/* ウェーブの曲線を表現した背景の抽象ライン（非常にゆっくりと揺れる） */
.wave-bg-1, .wave-bg-2 {
    position: fixed;
    bottom: -10%;
    left: -10%;
    width: 120vw;
    height: 50vh;
    border-top: 1px solid rgba(186, 164, 148, 0.2);
    border-radius: 45% 48% 0 0;
    z-index: 1;
    pointer-events: none;
    transform-origin: center bottom;
}

.wave-bg-1 {
    animation: waveMotion 10s infinite linear;
    background: linear-gradient(to top, rgba(235, 220, 208, 0.15), transparent);
}

.wave-bg-2 {
    animation: waveMotion 18s infinite linear reverse;
    opacity: 0.6;
    border-top: 1px dashed rgba(186, 164, 148, 0.15);
}

@keyframes waveMotion {
    0% { transform: rotate(0deg) scaleY(1); }
    50% { transform: rotate(3deg) scaleY(1.05); }
    100% { transform: rotate(0deg) scaleY(1); }
}

/* --------------------------------------------------------------------------
   メインレイアウト
   -------------------------------------------------------------------------- */
.container {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px 24px 30px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
}

/* --------------------------------------------------------------------------
   ヘッダー＆ロゴ（回転とラインアニメーション）
   -------------------------------------------------------------------------- */
.header {
    width: 100%;
}

.logo-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url('logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    animation: fadeInText 2s ease-out forwards;
}

.brand-tagline {
    font-family: var(--font-en-sans);
    font-size: 0.8rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--text-muted);
    margin-top: -15px;
    animation: fadeInText 3s ease-out forwards;
}

/* --------------------------------------------------------------------------
   メインコンテンツ（コンセプト）
   -------------------------------------------------------------------------- */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 600px;
    width: 100%;
    margin: 40px 0;
}

.concept-section {
    margin-bottom: 50px;
    animation: fadeInUp 1.8s cubic-bezier(0.215, 0.610, 0.355, 1) forwards;
}

.concept-en {
    font-family: var(--font-en-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.concept-title {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.25em;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.concept-text {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 2.2;
}

/* --------------------------------------------------------------------------
   ステータスバッジ（呼吸するようなパルス）
   -------------------------------------------------------------------------- */
.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(186, 164, 148, 0.3);
    padding: 8px 20px;
    border-radius: 30px;
    backdrop-filter: blur(4px);
    margin-bottom: 40px;
    animation: fadeInUp 2.2s cubic-bezier(0.215, 0.610, 0.355, 1) forwards;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation: pulseRing 2s infinite ease-out;
}

@keyframes pulseRing {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3.5); opacity: 0; }
}

.badge-text {
    font-family: var(--font-en-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    margin-left: 10px;
}

/* --------------------------------------------------------------------------
   フッター
   -------------------------------------------------------------------------- */
.footer {
    width: 100%;
    margin-top: 40px;
    animation: fadeInText 3.5s ease-out forwards;
}

.sns-links {
    margin-bottom: 15px;
}

.sns-link {
    font-family: var(--font-en-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
    position: relative;
    padding-bottom: 2px;
}

.sns-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.sns-link:hover {
    color: var(--text-primary);
}

.sns-link:hover::after {
    width: 100%;
}

.sns-link svg {
    transform: translateY(5px);
}

.copyright {
    font-family: var(--font-en-sans);
    font-size: 0.6rem;
    color: #a69e99;
    letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   共通アニメーション定義
   -------------------------------------------------------------------------- */
@keyframes fadeInText {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブ対応 */
@media (max-width: 480px) {
    .container { padding: 40px 16px; }
    .brand-name { font-size: 2rem; }
    .concept-title { font-size: 1.3rem; }
    .concept-text { font-size: 0.8rem; }
    .logo-wrapper {
        width: 110px;
        height: 150px;
    }
}